Sega Saturn, part of GameDB.
Saturn.data.json: All data, structured in the JSON formatSaturn.data.tsv: All data, structured in the TSV formatSaturn.release_dates.pdf: Histogram of release dates, stratified by regionSaturn.titles.json: Mapping of serial numbers to game titles, structured in the JSON format
The game folders in games have the structure T-XXXX, which is the game code (also known as game ID), which is at offsets 0x30 through 0x39 (inclusive) of the disc header, and which can be used to uniquely identify the game. It seems as though, in some cases, the offsets can vary, so I would recommend searching for the Sega Saturn "magic word" (which is the string "SEGA SEGASATURN ") and calculating this offset as some delta vs. the magic word's offset. See Wiki for details.
- [GameFAQs](https://gamefaqs.gamespot.com/
- Redump
- Sega Retro